Add dac_read_search to apexd to prevent spurious denials.

As apexd now has dac_override, it should also have dac_read_search to
avoid spurious denials.

Bug: 141148175
Test: Build, run apex installation, check denials.
Change-Id: I179c05b36ae0fe62d943ca59ee7f8158507f1f10
1 file changed